diff options
| author | Johannes Berg <johannes.berg@intel.com> | 2018-05-29 13:04:51 +0300 |
|---|---|---|
| committer | Johannes Berg <johannes@sipsolutions.net> | 2018-06-15 14:02:02 +0300 |
| commit | 3f61b7a30a6a8fd917d7570cb00a26a054d84ab4 (patch) | |
| tree | f6977da2207b9a00d14dcdc69815e1035508f446 /drivers | |
| parent | 3c12d0486856b9eb89c2a9ac336713cba90813e3 (diff) | |
| download | linux-3f61b7a30a6a8fd917d7570cb00a26a054d84ab4.tar.xz | |
mac80211_hwsim: fix module init error paths
We didn't free the workqueue on any errors, nor did we
correctly check for rhashtable allocation errors, nor
did we free the hashtable on error.
Reported-by: Colin King <colin.king@canonical.com>
Reported-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Johannes Berg <johannes@sipsolutions.net>
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/net/wireless/mac80211_hwsim.c | 11 |
1 files changed, 9 insertions, 2 deletions
diff --git a/drivers/net/wireless/mac80211_hwsim.c b/drivers/net/wireless/mac80211_hwsim.c index 9825bfd42abc..18e819d964f1 100644 --- a/drivers/net/wireless/mac80211_hwsim.c +++ b/drivers/net/wireless/mac80211_hwsim.c @@ -3572,11 +3572,14 @@ static int __init init_mac80211_hwsim(void) hwsim_wq = alloc_workqueue("hwsim_wq", 0, 0); if (!hwsim_wq) return -ENOMEM; - rhashtable_init(&hwsim_radios_rht, &hwsim_rht_params); + + err = rhashtable_init(&hwsim_radios_rht, &hwsim_rht_params); + if (err) + goto out_free_wq; err = register_pernet_device(&hwsim_net_ops); if (err) - return err; + goto out_free_rht; err = platform_driver_register(&mac80211_hwsim_driver); if (err) @@ -3701,6 +3704,10 @@ out_unregister_driver: platform_driver_unregister(&mac80211_hwsim_driver); out_unregister_pernet: unregister_pernet_device(&hwsim_net_ops); +out_free_rht: + rhashtable_destroy(&hwsim_radios_rht); +out_free_wq: + destroy_workqueue(hwsim_wq); return err; } module_init(init_mac80211_hwsim); |